The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2003
Filed:
Dec. 21, 2000
Applicant:
Inventors:
Jeffrey S. Milender, Valley City, ND (US);
Thomas G. Lykken, Fargo, ND (US);
Bradley A. Kuczmarski, Denver, IA (US);
Assignee:
Case Corporation, Racine, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 6/104 ;
U.S. Cl.
CPC ...
F16H 6/104 ;
Abstract
An apparatus and method for controlling a plurality of clutches in a powershift transmission. The transmission is coupled to an engine of an off-road vehicle. The method includes receiving a shift command having a shift direction. Clutch timing is selected based on the shift direction. Using the selected shift timing, on-coming clutches are engaged in sequence with disengagement of off-going clutches to achieve smooth shifting.